52 X 50 HSS-Co Core Drill
53 X 50 HSS-Co Core Drill
54 X 50 HSS-Co Core Drill
55 X 50 HSS-Co Core Drill
56 X 50 HSS-Co Core Drill
57 X 50 HSS-Co Core Drill
58 X 50 HSS-Co Core Drill
59 X 50 HSS-Co Core Drill
60 X 50 HSS-Co Core Drill